package com.cskaoyan.com.collection.treemap;

import java.util.TreeMap;

public class DemoTreeMap1 {
    public static void main(String[] args) {


        TreeMap<Integer, String> map = new TreeMap<>();
        map.put(18, "zs");
        map.put(20, "ls");
        map.put(15, "wu");
        map.put(10, "zl");

        System.out.println(map);


    }
}
